1" Round No screen vent - tab style, black
These small round vents are made of Aluminum.
The louvers are closely spaced to keep insects out. They do Not have a screen.
They are easy to install. They fit into the hole made by a drill-type hole saw and are held in place by 4 tabs on the side of the vent. No nails or screws are needed.
0.195 si nfa (square inches of net free ventilation area)
Made in the USA.